package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;
import java.util.List;

@Mapper
public interface ShoppingCartMapper {

    /*
    * 动态条件查询
    * */
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /*
    * 修改购物车内商品数量
    * */
    @Update("update shopping_cart set number = #{number} where id = #{id}")
    void updateNumberById(ShoppingCart shoppingCart);

    /*
    * 向购物车中插入数据
    * */
    @Insert("insert into shopping_cart (name, image, user_id, dish_id, setmeal_id, dish_flavor, amount, create_time) " +
            "values (#{name},#{image},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{amount},#{createTime})")
    void insert(ShoppingCart shoppingCart);

    /*
    * 根据用户Id清空购物车
    * */
    @Delete("delete from shopping_cart where user_id = #{userId}")
    void deleteByUserId(Long userId);

    /*
    * 根据用户Id删除数据
    * */
    @Delete("delete from shopping_cart where id = #{id}")
    void deleteById(Long id);

    /*
    * 批量插入购物车数据
    * */
    void insertBatch(List<ShoppingCart> shoppingCartList);
}
